Home › Land Rover › 2022 › Defender 90 X-Dynamic S › Repair and Diagnosis (Single Page) › Quick Lookups › Common Specs & Procedures › Diagnostic Trouble Code Index DTC: Infotainment Compute Control Module (ICCM) -- Defender/L663 › Diagnostic Trouble Code Index - DTC: Infotainment Compute Control Module (ICCM) (G2400897) › Description And Operation › Infotainment Compute Control Module › DTC B14A4-13: APIX Display Link - Instrument Pack - Circuit open › Possible Causes